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BRPI1008186B1 - surgical closure device - Google Patents

surgical closure device Download PDF

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Publication number
BRPI1008186B1
BRPI1008186B1 BRPI1008186A BRPI1008186A BRPI1008186B1 BR PI1008186 B1 BRPI1008186 B1 BR PI1008186B1 BR PI1008186 A BRPI1008186 A BR PI1008186A BR PI1008186 A BRPI1008186 A BR PI1008186A BR PI1008186 B1 BRPI1008186 B1 BR PI1008186B1
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Brazil
Prior art keywords
end effector
cartridge
instrument
surgical
trigger
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BRPI1008186A
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Portuguese (pt)
Inventor
E Shelton Frederick Iv
Original Assignee
Ethicon Endo Surgery Inc
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Application filed by Ethicon Endo Surgery Inc filed Critical Ethicon Endo Surgery Inc
Publication of BRPI1008186A2 publication Critical patent/BRPI1008186A2/en
Publication of BRPI1008186B1 publication Critical patent/BRPI1008186B1/en
Publication of BRPI1008186B8 publication Critical patent/BRPI1008186B8/en

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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods
    • A61B17/068Surgical staplers, e.g. containing multiple staples or clamps
    • A61B17/072Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously
    • A61B17/07207Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously the staples being applied sequentially
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods
    • A61B2017/00017Electrical control of surgical instruments
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods
    • A61B2017/00681Aspects not otherwise provided for
    • A61B2017/00734Aspects not otherwise provided for battery operated
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods
    • A61B17/068Surgical staplers, e.g. containing multiple staples or clamps
    • A61B17/072Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously
    • A61B2017/07214Stapler heads
    • A61B2017/07242Stapler heads achieving different staple heights during the same shot, e.g. using an anvil anvil having different heights or staples of different sizes
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods
    • A61B17/068Surgical staplers, e.g. containing multiple staples or clamps
    • A61B17/072Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously
    • A61B2017/07214Stapler heads
    • A61B2017/0725Stapler heads with settable gap between anvil and cartridge, e.g. for different staple heights at different shots

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Surgery (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Surgical Instruments (AREA)

Abstract

aparelho de fecho cirúrgico a presente invenção refere-se a um aparelho de fecho cirúrgico que tem um cabo, uma haste alongada tendo uma extremidade proximal ligada ao cabo e uma extremidade distal que se estende do mesmo. um efetor de extremidade que inclui um par de garrasque giram em uma extremidade proximal do mesmo e que são móveis entre uma posição aberta e uma posição fechada. um cartucho que contém uma pluralidade de fechos cirúrgicos, o cartucho sendo fixado ao efetor de extremidade. um atuador acionado eletricamente para implantação dos fechos cirúrgicos, o atuador incluindo uma fonte de alimentação e um motor. meios para ajustar eletricamente a quantidade de espaço entre as ditas garras quando o dito efetor de extremidade está na dita posição fechada.surgical closure apparatus the present invention relates to a surgical closure apparatus that has a cable, an elongated rod having a proximal end connected to the cable and a distal end extending from it. an end effector that includes a pair of jaws rotates at a proximal end thereof and is movable between an open position and a closed position. a cartridge containing a plurality of surgical closures, the cartridge being attached to the end effector. an electrically actuated actuator for implantation of surgical closures, the actuator including a power supply and a motor. means for electrically adjusting the amount of space between said claws when said end effector is in said closed position.

Description

Relatório Descritivo da Patente de Invenção para APARELHO DE FECHO CIRÚRGICO.Descriptive Report of the Invention Patent for SURGICAL CLOSING APPLIANCE.

Referência Cruzada a Pedidos Cruzados [1] Este pedido reivindica o benefício do pedido provisório U.S. número de série 61/150.387 intitulado Motor-Driven Surgical Stapler Improvements a Frederick E. Shelton, IV, depositado em 6 de fevereiro de 2009.Cross Reference to Cross Orders [1] This order claims the benefit of U.S. provisional order serial number 61 / 150,387 entitled Motor-Driven Surgical Stapler Improvements to Frederick E. Shelton, IV, filed February 6, 2009.

Antecedentes [2] A presente invenção refere-se a um exemplo de um grampeador cirúrgico adequado para aplicações endoscópicas que está descrito na Patente U.S. n° 5.465.895 (que está incorporada por referência no presente documento), que apresenta um bisturi endoscópico com ações de fechamento e disparo distintas. Um exemplo de um grampeador cirúrgico acionado por motor está na publicação U.S. n° 2007/0175.958 (que está incorporada por referência no presente documento) na qual excertos são apresentados aqui para detalhar as funções de base, aprimoramentos, antecedentes e componentes da mesma. Ao final, aperfeiçoamentos adicionais para o sistemas são descritos.Background [2] The present invention relates to an example of a surgical stapler suitable for endoscopic applications which is described in US Patent No. 5,465,895 (which is incorporated by reference in this document), which features an endoscopic scalpel with actions different closing and firing An example of a motor-driven surgical stapler is in U.S. publication No. 2007 / 0175,958 (which is incorporated by reference in this document) in which excerpts are presented here to detail its basic functions, enhancements, background and components. In the end, additional improvements for the systems are described.

[3] Em uma citação dos antecedentes e sumário da invenção da patente U.S. n° 2007015958 - Um clínico com o uso deste dispositivo é capaz de fechar os elementos de garra no tecido para posicionar o tecido antes do disparo. Uma vez que o clínico tiver determinado que os elementos de garra estejam prendendo o tecido adequadamente, ele pode então disparar o grampeador cirúrgico com um único tempo de disparo ou com vários tempos de disparo, dependendo do dispositivo. O disparo do grampeador cirúrgico causa o corte e o grampeamento dos tecidos. O uso de seccionamento e grampeamento simultâneos evita complicações que podem surgir durante a realização sequencial dessas ações com diferentes[3] In a background quote and summary of the invention of U.S. Patent No. 2007015958 - A clinician using this device is able to close the clamping elements in the tissue to position the tissue prior to firing. Once the clinician has determined that the clamping elements are holding the tissue properly, he can then fire the surgical stapler with a single trigger time or with multiple trigger times, depending on the device. The triggering of the surgical stapler causes the tissue to be cut and stapled. The use of simultaneous sectioning and stapling avoids complications that may arise during the sequential performance of these actions with different

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2/15 instrumentos cirúrgicos que, respectivamente, apenas seccionam ou grampeiam o tecido.2/15 surgical instruments that, respectively, only section or staple tissue.

[4] Uma vantagem específica de ser capaz de fechar sobre o tecido antes de disparar é a que o clínico pode verificar via um endoscópio que a localização desejada para o corte foi alcançada, incluindo uma quantidade suficiente de tecido que foi capturada entre garras opostas. De outra maneira, as garras opostas podem ser puxadas muito próximas uma da outra, especificamente pinçando as extremidades distais das mesmas, e dessa forma não formando efetivamente grampos fechados no tecido separado. No outro extremo, uma quantidade excessiva de tecido preso pode causar ligação e um disparo incompleto.[4] A specific advantage of being able to close on tissue before firing is that the clinician can verify via an endoscope that the desired location for the cut has been achieved, including a sufficient amount of tissue that has been captured between opposing claws. Otherwise, the opposing claws can be pulled very close to each other, specifically by pinching the distal ends of them, and thus not effectively forming closed clips on the separate fabric. At the other extreme, an excessive amount of trapped tissue can cause ligation and incomplete firing.

[5] Grampeadores/cortadores endoscópicos continuam a aumentar em complexidade e função com cada geração. Uma das principais razões para isso é a busca por menor força-de-disparo (FTF) para um nível que todos ou a maior parte dos cirurgiões possa lidar. Uma solução conhecida para baixar FTF é o uso de C02 ou motores elétricos. Estes dispositivos não mostraram-se muito melhores do que dispositivos manuais tradicionais, porém por motivos diferentes. Cirurgiões tipicamente preferem experimentar distribuição de força proporcional àquela sendo experimentada pelo efetor de extremidade na formação do grampo para se assegurarem que o ciclo de corte/grampeamento está terminado, com o limite superior dentro das capacidades de muitos cirurgiões (normalmente cerca de 66,7 a 133,4 N (15 a 30 Ibs)). Os mesmos também querem tipicamente manter o controle para implantar o grampo e serem capazes de interrompê-lo a qualquer momento se as forças percebidas no cabo do dispositivo forem muito grandes ou por outro motivo clínico. Estes efeitos de realimentação do usuário não são realizáveis adequadamente em bisturis endoscópicos acionados por motor atuais. Como[5] Endoscopic staplers / cutters continue to increase in complexity and function with each generation. One of the main reasons for this is the search for lower trigger force (FTF) to a level that all or most surgeons can handle. A known solution for downloading FTF is the use of C02 or electric motors. These devices did not prove to be much better than traditional handheld devices, but for different reasons. Surgeons typically prefer to experience force distribution proportional to that experienced by the end effector in forming the clamp to ensure that the cutting / stapling cycle is complete, with the upper limit within the capabilities of many surgeons (typically around 66.7 to 133.4 N (15 to 30 Ib)). They also typically want to maintain control in order to implant the clamp and be able to stop it at any time if the perceived forces on the device cable are too great or for another clinical reason. These user feedback effects are not achievable properly in current motor-driven endoscopic scalpels. Like

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3/15 resultado, há uma falta de aceitação generalizada por médicos de bisturis endoscópicos acionados por motor em que a operação de corte/grampeamento é ativada ao meramente apertar um botão. Sumário [6] Em um aspecto geral, a presente invenção é direcionada à um instrumento cirúrgico motorizado de corte e fixação que fornece retroinformação ao usuário em relação a posição, força e/ou implantação do efetor de extremidade. O instrumento, em várias modalidades, também permite que o operador controle o efetor de extremidade, incluindo a capacidade de parar a implantação se assim desejar. O instrumento pode incluir dois gatilhos no cabo do mesmo -- um gatilho de fechamento e um gatilho de disparo -- com movimentos de atuação separados. Quando um operador do instrumento retrai o gatilho de fechamento, o tecido posicionado no efetor de extremidade pode ser fixado pelo efetor de extremidade. Então, quando o operador retrai o gatilho de disparo, um motor pode acionar, via trens de acionamento de engrenagens, um conjunto de eixos de acionamento principal rotacional, o que faz com que o instrumento de corte no efetor de extremidade corte o tecido preso.3/15 result, there is a general lack of acceptance by doctors of endoscopic scalpels powered by a motor in which the cutting / stapling operation is activated by merely pressing a button. Summary [6] In a general aspect, the present invention is directed to a motorized surgical instrument for cutting and fixing that provides feedback to the user regarding the position, strength and / or implantation of the end effector. The instrument, in various modalities, also allows the operator to control the end effector, including the ability to stop implantation if desired. The instrument can include two triggers on its handle - a closing trigger and a trigger trigger - with separate actuating movements. When an instrument operator retracts the closing trigger, the tissue positioned on the end effector can be fixed by the end effector. Then, when the operator retracts the trigger, a motor can drive, via gear drive trains, a set of rotational main drive shafts, which causes the cutting instrument on the end effector to cut the trapped tissue.

[7] Em várias modalidades, o instrumento pode compreender um sistema de assistência de acionamento com retroinformação de força de carregamento e controle para reduzir a força de disparo necessária para ser exercida pelo operador a fim de terminar a operação de corte. Em tais modalidades, o gatilho de disparo pode ser engrenado ao trem de acionamento de engrenagens do conjunto do eixo de acionamento principal. Desta forma, o operador pode experimentar retroinformação em relação à força que é aplicada ao instrumento de corte. Isto é, a força de carregamento no gatilho de disparo pode ser relacionada a força de carregamento experimentada pelo instrumento de corte. Além disso, em tais modalidades, como o[7] In various modalities, the instrument can comprise a drive assistance system with feedback of loading force and control to reduce the trigger force required to be exerted by the operator in order to finish the cutting operation. In such embodiments, the trigger trigger can be engaged with the gear drive train of the main drive shaft assembly. In this way, the operator can experience feedback in relation to the force that is applied to the cutting instrument. That is, the loading force on the trigger can be related to the loading force experienced by the cutting instrument. Furthermore, in such modalities, such as the

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4/15 gatilho de disparo é engrenado ao trem de acionamento da engrenagem, a força aplicada pelo operador pode ser adicionada à força aplicada ao motor.4/15 trigger trigger is engaged to the gear drive train, the force applied by the operator can be added to the force applied to the engine.

[8] De acordo com várias modalidades, quando o gatilho de disparo é retraído em uma quantidade adequada (por exemplo, cinco graus), um comutador para ligar e desligar pode ser ativado, que envia um sinal ao motor para girar a uma taxa específica, dessa forma iniciando a atuação do conjunto de eixos de acionamento e do efetor de extremidade. De acordo com outras modalidades, um sensor proporcional pode ser usado. O sensor proporcional pode enviar um sinal ao motor para girar a uma taxa proporcional à força aplicada ao gatilho de disparo pelo operador. Desta forma, a posição rotacional do gatilho de disparo é, em geral, proporcional ao local em que o instrumento de corte está no efetor de extremidade (por exemplo, completamente distribuído ou completamente retraído). Mais ainda, o operador poderia parar a retração do gatilho de disparo em algum momento no percurso para parar o motor, e por meio disso parar os movimentos de corte. Além disso, sensores podem ser usados para detectar o início do percurso do efetor de extremidade (por exemplo, posição completamente retraída) e o final do percurso (por exemplo, posição completamente distribuída), respectivamente. Consequentemente, os sensores podem proporcionar um sistema de controle adaptável para controlar a implantação do efetor de extremidade que está do lado de fora do sistema de circuito fechado do motor, trem de acionamento de engrenagem, e efetor de extremidade.[8] According to several modalities, when the trigger is retracted in an adequate amount (for example, five degrees), an on and off switch can be activated, which sends a signal to the engine to turn at a specific rate , thus starting the actuation of the set of drive shafts and the end effector. According to other modalities, a proportional sensor can be used. The proportional sensor can send a signal to the engine to rotate at a rate proportional to the force applied to the trigger by the operator. In this way, the rotational position of the firing trigger is, in general, proportional to the location where the cutting instrument is in the end effector (for example, completely distributed or completely retracted). Furthermore, the operator could stop the trigger trigger retraction at some point in the course to stop the engine, and thereby stop the cutting movements. In addition, sensors can be used to detect the beginning of the path of the end effector (eg, fully retracted position) and the end of the path (eg, completely distributed position), respectively. Consequently, the sensors can provide an adaptive control system to control the deployment of the end effector that is outside the closed circuit system of the engine, gear drive train, and end effector.

[9] Em outras modalidades, o disparador do gatilho pode não ser diretamente engrenado no trem de acionamento de engrenagem usado para atuar no efetor de extremidade. Em tais modalidades, um segundo motor pode ser usado para aplicar forças ao gatilho de disparo para simular a implantação do instrumento de corte no efetor[9] In other embodiments, the trigger trigger may not be directly engaged in the gear drive train used to act on the end effector. In such embodiments, a second motor can be used to apply forces to the trigger to simulate the implantation of the cutting instrument in the effector

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5/15 de extremidade. O segundo motor pode ser controlado à base de rotações adicionais do conjunto de eixo de acionamento principal, que pode ser medido por um codificador giratório. Em tais modalidades, a posição da posição rotacional do gatilho de disparo pode ser relacionado à posição do instrumento de corte no efetor de extremidade. Adicionalmente, um comutador para ligar e desligar ou um comutador proporcional pode ser usado para controlar o motor principal (isto é, o motor que aciona o eixo de acionamento principal).5/15 end. The second motor can be controlled based on the additional speed of the main drive shaft assembly, which can be measured by a rotary encoder. In such embodiments, the position of the rotational position of the trigger can be related to the position of the cutting instrument on the end effector. In addition, an on / off switch or a proportional switch can be used to control the main motor (ie, the motor that drives the main drive shaft).

[10] Em várias implementações, o efetor de extremidade pode usar um parafuso helicoidal na base do efetor de extremidade para acionar o instrumento de corte (por exemplo, facas). Além disso, o efetor de extremidade pode incluir um cartucho de grampos para grampeamento do tecido separado. De acordo com outras modalidades, outros meios para fixação (ou vedação) do tecido separado podem ser usados, incluindo energia de RF e adesivos.[10] In various implementations, the end effector can use a helical screw at the base of the end effector to drive the cutting instrument (for example, knives). In addition, the end effector may include a staple cartridge for stapling the separate tissue. According to other modalities, other means for fixing (or sealing) the separated fabric can be used, including RF energy and adhesives.

[11] Ademais, o instrumento pode incluir um sistema de fechamento mecânico. O sistema de fechamento mecânico pode incluir um canal alongado que tem um membro de fixação, como uma bigorna, conectada de maneira rotatória no canal para o tecido fixado posicionado no efetor de extremidade. O usuário pode ativar a ação de fixação do efetor de extremidade ao retrair o gatilho mais próximo, que, através de um sistema de fechamento mecânico, faz com que a ação de fixação do efetor de extremidade. Uma vez que o membro de fixação esteja preso no lugar, o operador pode ativar a operação de corte ao retrair o gatilho de disparo separado. Isto pode fazer com que o instrumento de corte mover-se longitudinalmente ao longo do canal a fim de cortar o tecido preso pelo efetor de extremidade.[11] In addition, the instrument may include a mechanical closure system. The mechanical closure system may include an elongated channel that has a fixing member, such as an anvil, rotatably connected in the channel to the fixed tissue positioned on the end effector. The user can activate the end effector clamping action by retracting the closest trigger, which, through a mechanical closing system, causes the end effector clamping action. Once the clamping member is locked in place, the operator can activate the cutting operation by retracting the separate trigger. This can cause the cutting instrument to move longitudinally along the channel in order to cut the tissue trapped by the end effector.

[12] Em várias implementações, o instrumento pode incluir um conjunto de eixo de acionamento principal rotacional para acionar o efetor de extremidade. Além disto, o eixo de acionamento principal pode[12] In various implementations, the instrument may include a rotational main drive shaft assembly to drive the end effector. In addition, the main drive shaft can be

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6/15 compreender uma junta de articulação de maneira que o efetor de extremidade possa ser articulado. A junta de articulação pode compreender, por exemplo, um conjunto de engrenagem de chanfro, uma junta universal, ou um cabo de torção flexível capaz de transmitir força de torção para o efetor de extremidade.6/15 comprise an articulation joint so that the end effector can be articulated. The pivot joint may comprise, for example, a chamfer gear assembly, a universal joint, or a flexible torsion cable capable of imparting torsional force to the end effector.

[13] Outros aspectos da presente invenção são direcionados para vários mecanismos para travar o gatilho de fechamento em uma porção de pistola, inferior, do cabo. Tais modalidades liberam espaço no cabo diretamente acima e atrás dos gatilhos para outros componentes do instrumento, incluindo componentes do trem de acionamento de engrenagem e o sistema de fechamento mecânico.[13] Other aspects of the present invention are directed to various mechanisms for locking the closing trigger on a lower pistol portion of the handle. Such modalities free up space in the cable directly above and behind the triggers for other components of the instrument, including components of the gear drive train and the mechanical closing system.

[14] As descrições da presente invenção mostram como uma pessoa poderia incorporar um dispositivo de grampeamento endoscópico autocontido acionado por engrenagem alimentada por bateria.[14] The descriptions of the present invention show how a person could incorporate a self-contained endoscopic stapling device driven by battery powered gear.

Descrição dos Desenhos [15] A figura1 é uma vista em perspectiva da extremidade distal de um grampeador cirúrgico, de acordo com a presente invenção.Description of the Drawings [15] Figure 1 is a perspective view of the distal end of a surgical stapler, according to the present invention.

[16] A figura 2 é uma vista em perspectiva da extremidade distal de um grampeador cirúrgico de acordo com a presente invenção com o cartucho removido do canal.[16] Figure 2 is a perspective view of the distal end of a surgical stapler according to the present invention with the cartridge removed from the channel.

[17] A figura 3 é uma vista de uma extremidade distal de um grampeador cirúrgico de acordo com a presente invenção, similar à figura 1, mostrando um indicador travado.[17] Figure 3 is a view of a distal end of a surgical stapler according to the present invention, similar to figure 1, showing a locked indicator.

[18] A figura 4 é uma vista em perspectiva de uma extremidade proximal de um grampeador cirúrgico de acordo com a presente invenção.[18] Figure 4 is a perspective view of a proximal end of a surgical stapler according to the present invention.

Descrição Detalhada da Invenção [19] Métodos de iluminação do efetor de extremidade/iluminação de sítios cirúrgicos com um bisturi equipado com motorDetailed Description of the Invention [19] Methods of lighting the end effector / lighting of surgical sites with a scalpel equipped with a motor

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7/15 endoscópico: atualmente, quando o efetor de extremidade está em ou próximo a posição implantação do mesmo, pode ser difícil para o cirurgião visualizar o local de tratamento pois há sombras lançadas por estruturas adjacentes assim como o efetor de extremidade pode até mesmo estar inteiramente atrás de uma estrutura. Uma extremidade distal 3 de um grampeador cirúrgico 1 de acordo com a presente invenção é mostrada na figura 1, incluindo a bigorna 11, o corpo do cartucho 7 e a canaleta 13. Como visto nessa figura, uma fonte de luz 5 adicional pode ser posicionada na extremidade do corpo do cartucho 7 para iluminar o tecido 9. Esta fonte de luz pode ser qualquer combinação de meios práticos para converter energia elétrica em luz incluindo, mas não se limitando a semicondutores (como LED), uma lâmpada convencional incandescente ou de filamentos, eletroluminescente ou laser. Isto permitiria o cirurgião a não apenas iluminar diretamente o local de tratamento, como também permitiria a iluminação de fundo de estruturas para ver os componentes internos como vasculaturas ou com um ponteiro a laser permitir que o cirurgião destaque áreas de interesse a outros através do escopo tradicional.7/15 endoscopic: currently, when the end effector is at or near its implantation position, it may be difficult for the surgeon to visualize the treatment site as there are shadows cast by adjacent structures as well as the end effector may even be entirely behind a structure. A distal end 3 of a surgical stapler 1 according to the present invention is shown in figure 1, including the anvil 11, the cartridge body 7 and the groove 13. As seen in this figure, an additional light source 5 can be positioned at the end of the cartridge body 7 to illuminate the fabric 9. This light source can be any combination of practical means for converting electrical energy into light including, but not limited to, semiconductors (such as LED), a conventional incandescent or filament lamp , electroluminescent or laser. This would allow the surgeon to not only directly illuminate the treatment site, but would also allow backlighting of structures to see internal components such as vasculatures or with a laser pointer allow the surgeon to highlight areas of interest to others through the traditional scope .

[20] Isto seria muito fácil de fazer ao permitir um ou mais contatos 21 na parte traseira do cartucho 7 que iria engatar contatos 23 dentro do canal. Isto permitiria ao cirurgião energizar as luzes conforme necessário ao energizar o contato ajustado via um comutador posicionado no cabo 31. Este comutador pode até mesmo ter intensidade variável, como um descrito anteriormente poderia controlar a velocidade de atuação do dispositivo principal.[20] This would be very easy to do by allowing one or more contacts 21 at the rear of the cartridge 7 that would engage contacts 23 within the channel. This would allow the surgeon to energize the lights as needed when energizing the adjusted contact via a switch positioned on the cable 31. This switch can even be variable in intensity, as one previously described could control the actuation speed of the main device.

[21] Conforme indicado acima, a publicação U.S. n° 2007/0.175.949 descreve, ainda, nas figuras 45 a 47 visores de saída que poderiam mostrar, entre outras coisas, retroinformação da posição do efetor de extremidade, situação do travamento, quantidade de disparos, etc. Isto minimizaria uma das mais difíceis questões para o[21] As indicated above, US publication No. 2007 / 0.175.949 further describes, in figures 45 to 47 output displays, which could show, among other things, feedback on the position of the end effector, locking situation, quantity shots, etc. This would minimize one of the most difficult issues for the

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8/15 usuário, que é a identificação da situação de um dispositivo, especificamente as situação do travamento do dispositivo sem ativar o dispositivo. Uma retroinformação adicional que seria de muita ajuda ao usuário seria retroinformação imediata sobre a situação do cartucho quando o mesmo está carregado. Assim como na aplicação acima, o mesmo poderia ser enrolado na indicação de travamento no cabo 31. Um indicador 33 (como um LED, lâmpada de vidro, LCD, enunciador sônico, vibrador, etc.) poderia ser unicamente associado à situação de um meio de travamento do cartucho ou mecanismo de tal maneira que o mesmo forneça esta informação ao cirurgião. Este LED poderia ser localizado no cabo. Alternativamente, um indicador 35 poderia ser localizado próximo a extremidade distal 3 que iria fornecer informação imediata para o cirurgião e carregador se o cartucho está pronto para uso ou não. Isto pode ser alcançado com um comutador ou conjunto de contatos associados diretamente com o travamento mecânico. O comutador ou contatos completam um circuito de tal maneira que o indicador fornece informações adequadas. Este ajuste de contato completo poderia se dar através de um elemento condutivo dentro do suporte deslizante (parte 33 na publicação n° 20070175958) e os dois contatos poderiam estar na posição proximal do canal (parte 22). Outra maneira de detectar a situação do travamento é indiretamente através da situação do instrumento (Exemplo 1: cartucho carregado e nenhuma tentativa de disparar indicaria que o travamento não está engatado; Exemplo 2: instrumento disparado e nenhum cartucho novo instalado indicaria que o travamento está engatado; etc.) Outra modalidade seria a de colocar o LED ou indicação visual no próprio cartucho. Quando o cartucho é encaixado no lugar o mesmo cria um contato que fornece acionamento ao cartucho. Caso o cartucho seja disparado, não apenas o travamento mecânico para o avanço da facas, como o circuito do cartucho ilumina o LED no cartucho8/15 user, which is the identification of the situation of a device, specifically the situation of the device locking without activating the device. An additional feedback that would be of great help to the user would be immediate feedback on the situation of the cartridge when it is loaded. As in the application above, it could be wrapped around the cable lock indication 31. An indicator 33 (such as an LED, glass lamp, LCD, sonic announcer, vibrator, etc.) could only be associated with the situation of a medium locking the cartridge or mechanism in such a way that it provides this information to the surgeon. This LED could be located on the cable. Alternatively, an indicator 35 could be located near the distal end 3 which would provide immediate information to the surgeon and carrier whether the cartridge is ready for use or not. This can be achieved with a switch or set of contacts associated directly with the mechanical lock. The switch or contacts complete a circuit in such a way that the indicator provides adequate information. This complete contact adjustment could take place through a conductive element inside the sliding support (part 33 in publication No. 20070175958) and the two contacts could be in the proximal position of the channel (part 22). Another way of detecting the locking situation is indirectly through the situation of the instrument (Example 1: cartridge loaded and no attempt to fire would indicate that the lock is not engaged; Example 2: instrument fired and no new cartridge installed would indicate that the lock is engaged ; etc.) Another method would be to place the LED or visual indication on the cartridge itself. When the cartridge is snapped in place it creates a contact that provides drive to the cartridge. If the cartridge is triggered, not only the mechanical lock for advancing the knives, but the cartridge circuit illuminates the LED on the cartridge

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9/15 informando ao cirurgião no monitor de escopo que o cartucho está travado. Isto poderia ser mais expandido ao colocar uma pequena bateria ou outro acumulador de carga dentro do próprio cartucho para eliminar a necessidade de uma conexão de acionamento com o dispositivo principal. Além disso, o circuito do cartucho poderia ser ajustado para iluminar a luz de travamento sempre que o dispositivo estiver fechado para informar o usuário que há um cartucho gasto no dispositivo.9/15 informing the surgeon on the scope monitor that the cartridge is locked. This could be further expanded by placing a small battery or other charge accumulator inside the cartridge itself to eliminate the need for a drive connection to the main device. In addition, the cartridge circuit could be adjusted to illuminate the lock light whenever the device is closed to inform the user that there is a spent cartridge in the device.

[22] Retroinformação indicativa para articulação equipada com motor e cor de cartucho: indicar o tipo de cartucho instalado (cor) e o ângulo da articulação é considerado útil para o cirurgião. A indicação de ângulo de articulação poderia ser indicada de várias formas incluindo numericamente ou graficamente como em um arco de LEDs. A localização desta indicação poderia ser no cabo em um local conveniente ou no eixo do dispositivo mais proximal ao efetor de extremidade. A retroinformação do efetor de extremidade poderia ser passiva ou ativa. A ativa acenderia LEDs adicionais para mostrar o ângulo. A passiva poderia simplesmente mostrar uma meia circunferência acesa de maneira que o cirurgião poderia intuir o quão articulado o efetor de extremidade está. Conforme explora-se mais a fundo os procedimentos cirúrgicos, os mesmos tornam-se mais e mais óbvios para o fato de que os olhos do cirurgião precisam estar focados nos sítios cirúrgicos e não no cabo do instrumento. Também começase a perceber a necessidade do cirurgião de retroinformações completas da situação pelo dispositivo. O ângulo de articulação poderia ser iluminado como parte da própria junta de articulação. Com luzes, LEDs, etc. denotando os ângulos divergentes ou mesmo um pequeno LCD denotando os ângulos em graus. Isto permitiria ao cirurgião ter alguma retroinformação sobre os ângulos fora da reta de maneira que o mesmo possa facilmente navegar de volta ao ângulo[22] Indicative feedback for articulation equipped with motor and cartridge color: indicate the type of cartridge installed (color) and the angle of the joint is considered useful for the surgeon. The articulation angle indication could be indicated in several ways including numerically or graphically as in an LED arc. The location of this indication could be on the cable at a convenient location or on the axis of the device closest to the end effector. The end effector feedback could be passive or active. The active would turn on additional LEDs to show the angle. The passive could simply show a lit half circle so that the surgeon could sense how articulated the end effector is. As surgical procedures are further explored, they become more and more obvious to the fact that the surgeon's eyes need to be focused on the surgical sites and not on the instrument handle. The surgeon also begins to realize the need for complete feedback on the situation through the device. The pivot angle could be illuminated as part of the pivot joint itself. With lights, LEDs, etc. denoting the divergent angles or even a small LCD denoting the angles in degrees. This would allow the surgeon to have some feedback on the angles outside the line so that he can easily navigate back to the angle

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10/15 correto após a remoção e reinserção. Outra questão é a óbvia indicação de qual cor de cartucho está no dispositivo. Isto pode ser alcançado através de um arranjo de luzes por cor codificado em cada efetor de extremidade ou no cartucho. Esta informação poderia ser também transmitida de volta para o cabo para exibir um visor redundante para assegurar que há confusão mínima quanto a qual cartucho está nas garras. Outro aprimoramento poderia incluir um pequeno contato de feixe de molas conectado a plataforma proximal do cartucho que indica se uma pressão de tecido mínima foi alcançada entre as garras. Esta pressão mínima iria, no mínimo, indicar se um cartucho de tecido espesso está sendo usado em aplicações de tecido fino, pois o mesmo não acenderia se pressão de tecido insuficiente na plataforma estiver presente.10/15 correct after removal and reinsertion. Another issue is the obvious indication of which cartridge color is in the device. This can be achieved through a color coded array of lights on each end effector or on the cartridge. This information could also be transmitted back to the cable to display a redundant display to ensure that there is minimal confusion as to which cartridge is in the grip. Another improvement could include a small spring-beam contact connected to the cartridge's proximal platform that indicates whether minimum tissue pressure has been achieved between the jaws. This minimum pressure would, at a minimum, indicate whether a thick tissue cartridge is being used in thin tissue applications, as it would not light up if insufficient tissue pressure on the platform is present.

[23] Avanço e retração automáticos de um bisturi elétrico endoscópico: há várias etapas dentro da função de um grampeador que deve ser concluída em uma ordem estabelecida. Uma vez que o gatilho de fechamento estiver fixado, atuação do ciclo de disparo será a próxima etapa necessária. Após a atuação, a retração do sistema é a próxima etapa sequencial. Com a inclusão de uma fonte de alimentação além do usuário (isto é, baterias ou pneumáticos) a habilidade de reduzir as etapas iniciadas pelo usuário (e, portanto, a complexidade do dispositivo) o próprio sistemas pode começar a completar estas etapas por si só. Comutadores ou circuitos internos poderiam ser adicionados para permitir que estas etapas sejam automaticamente iniciadas. O próximo desafio é permitir que o usuário seja capaz de, intuitivamente, retardar, diminuir ou parar as atuações automáticas. Por exemplo, o mesmo botão de atuação que permitiria o início do disparo em um dispositivo de retroinformação tátil como o 11/344.035 poderia ser usado para diminuir ou parar um sistema de retorno automático pelo usuário comprimindo o botão durante a[23] Automatic advancement and retraction of an endoscopic electric scalpel: there are several steps within the function of a stapler that must be completed in an established order. Once the closing trigger is fixed, triggering the triggering cycle will be the next necessary step. After the actuation, the retraction of the system is the next sequential step. With the inclusion of a power supply in addition to the user (ie batteries or tires) the ability to reduce the steps initiated by the user (and therefore the complexity of the device) the system itself can begin to complete these steps on its own . Switches or internal circuits could be added to allow these steps to be started automatically. The next challenge is to allow the user to be able to intuitively slow, slow down or stop automatic actuations. For example, the same actuation button that would allow triggering to start on a tactile feedback device such as 11 / 344.035 could be used to decrease or stop an automatic return system by pressing the button during

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11/15 retração. Uma vez que a pressão é removida do botão, o autorretorno recomeçaria. O mesmo poderia ser dito para disparo automático, onde, se o sistema não precisar de um botão para disparar, mas um controle é fornecido para mover com os movimentos de faca que o usuário poderia deprimir, o mesmo iria parar ou diminuir sua implantação, mas seria desnecessário se o sistema estiver em funcionamento corretamente.11/15 retraction. Once the pressure is removed from the button, the auto-return would begin again. The same could be said for automatic firing, where, if the system does not need a button to fire, but a control is provided to move with the knife movements that the user could depress, the same would stop or decrease its implantation, but it would be unnecessary if the system is functioning properly.

[24] Prevenção de atuação acidental para um bisturi endoscópico equipado com motor: com a introdução de sistemas equipados com motor que não mais limitam a função do dispositivo nas capacidades de força do usuário, iniciação inadvertida do ciclo de disparo pode tornar-se uma questão muito mais prevalente. Será mais fácil impactar o controle de ativação e fazer com que o instrumento inicie o disparo, impedindo, portanto, o travamento do cartucho ou mesmo congestionando o mesmo no tecido, pois o usuário não percebeu que o mesmo já começou os disparos. A fim de eliminar esta questão, comutadores ou botões ativadores de destravamento secundários poderiam ser usados para destravar o mecanismo de disparo. Isto é muito parecido com os dois sistemas comutadores usados na indústria de serras elétricas, assim como na indústria bélica para proteger contra atuação acidental. O comutador secundário pode tanto liberar a trava no gatilho de disparo quanto meramente energizar o acionamento no controle.[24] Prevention of accidental actuation for an endoscopic scalpel equipped with a motor: with the introduction of systems equipped with a motor that no longer limit the function of the device in the user's strength capacities, inadvertent initiation of the firing cycle can become an issue much more prevalent. It will be easier to impact the activation control and cause the instrument to start firing, thus preventing the cartridge from locking or even congesting it in the tissue, as the user did not realize that it has already started firing. In order to eliminate this issue, secondary unlocking switches or buttons could be used to unlock the trigger mechanism. This is very similar to the two switch systems used in the chainsaw industry, as well as in the war industry to protect against accidental actuation. The secondary switch can either release the lock on the trigger trigger or merely energize the drive in the control.

[25] O uso de uma bateria não estéril dentro de um dispositivo estéril I A embalagem como uma barreira de esterilidade para a reutilização de baterias: há a possível necessidade de um método para a introdução de baterias não estéreis (possivelmente com os eletrônicos integrais com as baterias se a lógica programável tornar-se uma necessidade-chave para o cliente). Já existe uma patente dentro da indústria de broca ortopédica para a inserção de baterias não[25] The use of a non-sterile battery inside a sterile device IA packaging as a sterility barrier for the reuse of batteries: there is a possible need for a method for the introduction of non-sterile batteries (possibly with the electronics integrated with the batteries if programmable logic becomes a key customer need). A patent already exists within the orthopedic drill industry for the insertion of non-batteries

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12/15 estéreis dentro de um dispositivo esterilizado reutilizável separadamente. Esta inovação é prevista para otimizar este conceito ao utilizar a embalagem estéril de dispositivo descartável para proteger a esterilidade do instrumento durante a inserção de baterias não estéreis. Um outro aprimoramento seria a inclusão de uma porta de incubação projetada dentro do instrumento e que pode ser fechada após o pacote ter sido inserido mas antes do dispositivo ser removido da embalagem estéril final. Esta incubação poderia então conter a bateria não estéril que poderia contaminar o campo cirúrgico estéril. Os métodos da presente invenção poderiam incluir uma camada adicional de embalagem que teria uma área perfurada em que a bateria poderia ser empurrada através, tanto rompendo a camada extra e permitindo que a bateria atravessada quanto indo com o conjunto de eletrodos da bateria apenas para serem rompidos pelas pontas de pino expostas da bateria na inserção completa. Uma alternativa para isto seria os terminais internos da pistola (profundamente dentro da cavidade de proteção da bateria) romperem a barreira estéril e assentarem dentro dos orifícios de pinos nas baterias. A incubação poderia então ser fechada através do pacote estéril que veda o sistema. A pistola poderia então ser utilizada no campo estéril normalmente, assim como qualquer outro dispositivo estéril.12/15 sterile in a separately reusable sterile device. This innovation is expected to optimize this concept when using the sterile disposable device packaging to protect the sterility of the instrument when inserting non-sterile batteries. Another improvement would be the inclusion of an incubation door designed inside the instrument and which can be closed after the package has been inserted but before the device is removed from the final sterile packaging. This incubation could then contain the non-sterile battery that could contaminate the sterile surgical field. The methods of the present invention could include an additional layer of packaging that would have a perforated area into which the battery could be pushed through, both by breaking the extra layer and allowing the battery to pass through and going with the battery electrode set only to be broken. through the exposed pin tips of the battery in the complete insertion. An alternative to this would be for the gun's internal terminals (deep inside the battery's protective cavity) to break through the sterile barrier and settle into the pin holes in the batteries. The incubation could then be closed via the sterile package that seals the system. The gun could then be used in the sterile field normally, just like any other sterile device.

[26] Modalidades localizadoras de posição I codificador linear e controle de carga de parâmetro do motor: as patentes 6.646.307 e 6.716.223 apresentam os mecanismos para a medição de rotação e torque relacionado para controlar parâmetro do motor e otimização dos parâmetros baseados na identificação de configurações e carregamento de efetor de extremidade. A publicação U.S. n° 2007.0175.958 mostra um método, através do uso de um comprimento rosqueado do eixo primário, nas figuras 8 a 13 como estes tipos de controle de movimento linear poderia ser usado para controle dos locais de[26] Position locating modalities I linear encoder and motor parameter load control: patents 6.646.307 and 6.716.223 present the mechanisms for measuring speed and related torque to control motor parameter and optimization of parameters based on identification of configurations and end effector loading. U.S. publication No. 2007.0175.958 shows a method, through the use of a threaded length of the primary axis, in figures 8 to 13 how these types of linear motion control could be used to control the locations of

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13/15 gatilhos. O mesmo tipo de método poderia ser usado para métodos de controle linear eletrônico. O efetor de extremidade poderia identificar o comprimento e tipos mecanicamente ao comprimir pelo menos um êmbolo ativado por mola, que poderia identificar para o cabo o tipo e comprimento, o mesmo permitiria ao motor para funcionar. A rotação do motor poderia ser convertida de movimentos rotatórios para armação linear ou movimentos de cabo, que poderia então ser usado para ajustar a tensão do motor, corrente, e velocidade a fim de afetar o movimento linear desejado da lâmina de controle. A lâmina de controle poderia então ser diretamente acoplada aos movimento acionador de faca. Esta lâmina de controle poderia ter locais de parada descontínuos ou contínuos que o êmbolo identificador marca conforme o deslocamento linear ir para máximo antes da retração.13/15 triggers. The same type of method could be used for electronic linear control methods. The end effector could identify the length and types mechanically by compressing at least one spring-loaded plunger, which could identify the type and length for the cable, which would allow the engine to run. The motor rotation could be converted from rotary movements to linear frame or cable movements, which could then be used to adjust the motor voltage, current, and speed to affect the desired linear motion of the control blade. The control blade could then be directly coupled to the knife drive movements. This control blade could have discontinuous or continuous stop locations that the identifier plunger marks as the linear displacement goes to maximum before retraction.

[27] A identificação de recargas modulares com acionamento linear: um recurso útil para um instrumento cirúrgico é a habilidade de identificar qual efetor de extremidade foi fixado no instrumento. No caso de um grampeador cirúrgico equipado com motor, vários tipos diferentes de efetor de extremidade poderiam ser fixados. Adicionalmente, um tipo de efetor de extremidade pode ter pelo menos uma função e/ou recurso que é seletivamente utilizado ou habilitado. Os meios para identificação de efetor de extremidade aqui apresentados estão anexados. Nota-se que o tipo de efetor de extremidade referido abaixo não se limita a atuadores de extremidades mecânico, pneumático ou hidraulicamente acoplados. O instrumento pode tomar diferentes ações, parâmetros de operação de ajuste, indicação de funções disponíveis etc., como resultado da detecção deste efetor de extremidade.[27] The identification of modular refills with linear drive: a useful feature for a surgical instrument is the ability to identify which end effector has been attached to the instrument. In the case of a surgical stapler equipped with a motor, several different types of end effectors could be attached. In addition, a type of end effector can have at least one function and / or feature that is selectively used or enabled. The means for identifying the end effector shown here are attached. Note that the type of end effector mentioned below is not limited to mechanically, pneumatically or hydraulically coupled end actuators. The instrument can take different actions, adjustment operation parameters, indication of available functions etc., as a result of the detection of this end effector.

[28] O efetor de extremidade tem uma conexão elétrica que é feita quando o mesmo é anexado no instrumento. O instrumento comunica-se com o efetor de extremidade e lê pelo menos um de[28] The end effector has an electrical connection that is made when it is attached to the instrument. The instrument communicates with the end effector and reads at least one of

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14/15 vários tipos de sinais. Uma posição de comutador ou posição de contato indica qual tipo de efetor de extremidade está presente. Um elemento passivo é medido por impedância e o resultado indica qual tipo de efetor de extremidade está presente.14/15 various types of signals. A switch position or contact position indicates which type of end effector is present. A passive element is measured by impedance and the result indicates which type of end effector is present.

[29] O efetor de extremidade tem uma ligação de frequência de rádio com o instrumento e dados são transferidos em pelo menos uma direção entre o efetor de extremidade e o instrumento.[29] The end effector has a radio frequency connection to the instrument and data is transferred in at least one direction between the end effector and the instrument.

[30] O efetor de extremidade tem uma ligação acústica com o instrumento e dados são transferidos em pelo menos uma direção entre o efetor de extremidade e o instrumento.[30] The end effector has an acoustic connection with the instrument and data is transferred in at least one direction between the end effector and the instrument.

[31] O efetor de extremidade tem uma ligação ótica com o instrumento e dados são transferidos em pelo menos uma direção entre o efetor de extremidade e o instrumento.[31] The end effector has an optical connection to the instrument and data is transferred in at least one direction between the end effector and the instrument.

[32] O efetor de extremidade tem uma ligação mecânica que engata elementos (como comutadores ou contatos) no instrumento que o identifica e por meio disso dados são transferidos em pelo menos uma direção entre o efetor de extremidade e o instrumento.[32] The end effector has a mechanical connection that engages elements (such as switches or contacts) in the instrument that identifies it and thereby data is transferred in at least one direction between the end effector and the instrument.

[33] A altura de grampo ajustável ativa para um bisturi endoscópico equipado com motor: a altura de grampo que é ajustável à espessura e tipo do tecido tem sido procurada por muitos anos. Mais recentemente 11/231.456 e 11/540.735 são em torno de um membro ou suportes de acoplamento flexível que permitiriam que o vão do instrumento aumentasse com cargas induzidas pelo tecido mais espesso no dispositivo. Esta altura de grampo variável passiva permite que a espessura do tecido crie formas de grampo maiores. Com a introdução da fonte de alimentação dentro do instrumento, o mesmo permite o uso de eletricidade para alterar a altura de um elemento interno dentro do elemento de acoplamento dinâmico que alteraria a altura do grampo ativamente pelo cirurgião ou configurar o instrumento na altura desejada. Este elemento interno poderia ser um[33] The active adjustable clamp height for an endoscopic scalpel equipped with a motor: the clamp height that is adjustable to the thickness and type of the fabric has been in demand for many years. More recently 11 / 231,456 and 11 / 540,735 are around a flexible coupling member or brackets that would allow the span of the instrument to increase with loads induced by the thicker tissue in the device. This passive variable staple height allows the thickness of the fabric to create larger staple shapes. With the introduction of the power supply inside the instrument, it allows the use of electricity to change the height of an internal element within the dynamic coupling element that would actively alter the height of the clamp by the surgeon or configure the instrument at the desired height. This internal element could be a

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15/15 material com memória de forma e a eletricidade altera a temperatura do mesmo e, portanto, permite que o mesmo altere sua altura física devido a presente configuração. Outro método viável seria a inclusão de um polímero eletroativo (EAP) que através da introdução de um campo elétrico permite que o mesmo altere sua altura e largura. Ainda assim, uma terceira modalidade seria a utilização de um elemento escalonador linear tradicional elétrico que pode submeter à catraca elemento de rosca ajustável pequeno dentro da trave de acoplamento que iria ajustar sua altura.15/15 material with shape memory and electricity alters its temperature and, therefore, allows it to change its physical height due to the present configuration. Another viable method would be the inclusion of an electroactive polymer (WBS) which, by introducing an electric field, allows it to change its height and width. Still, a third modality would be the use of a traditional linear linear stepper element that can subject the small adjustable threaded element to the ratchet inside the coupling beam that would adjust its height.

Claims (1)

REIVINDICAÇÃOCLAIM 1. Aparelho de fecho cirúrgico (1), compreendendo:1. Surgical closure apparatus (1), comprising: a) um cabo (31), uma haste alongada tendo uma extremidade proximal ligada ao cabo (31) e uma extremidade distal (3) que se estende do mesmo, um efetor de extremidade que compreende um par de garras (11, 13) que giram em uma extremidade proximal do mesmo e que são móveis entre uma posição aberta e uma posição fechada, e um cartucho (7) contendo uma pluralidade de fechos cirúrgicos, o cartucho (7) sendo fixado ao efetor de extremidade;a) a cable (31), an elongated rod having a proximal end connected to the cable (31) and a distal end (3) extending from it, an end effector comprising a pair of claws (11, 13) which rotate at a proximal end thereof and are movable between an open position and a closed position, and a cartridge (7) containing a plurality of surgical closures, the cartridge (7) being attached to the end effector; b) um atuador acionado eletricamente para implantação dos fechos cirúrgicos, o atuador compreendendo uma fonte de alimentação e um motor;b) an electrically actuated actuator for implantation of surgical closures, the actuator comprising a power supply and a motor; caracterizado pelo fato de que compreende ainda:characterized by the fact that it also comprises: c) meios para ajustar eletricamente a quantidade de espaço entre as garras (11, 13) quando o efetor de extremidade está na posição fechada.c) means for electrically adjusting the amount of space between the claws (11, 13) when the end effector is in the closed position.
BRPI1008186A 2009-02-06 2010-01-28 surgical closure device BRPI1008186B8 (en)

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